Houston Texans at Detroit Lions

FILE - In this Dec. 2, 2012, file photo, Tennessee Titans quarterback Jake Locker, center, calls a play in the huddle during the second quarter of an NFL football game against the Houston Texans in Nashville, Tenn. The Titans have switched backup quarterbacks and gotten younger with Ryan Fitzpatrick. The starting job is all Locker's, and now the Titans want to see him stay healthy and take charge of a team that needs to win this season. (AP Photo/Joe Howell, File)